package com.itheima.atte.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;

import javax.servlet.http.HttpServletResponse;

@Configuration
@EnableResourceServer
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)  //用户对某个控制层的方法是否具有访问权限
public class ResourceServerConfig extends ResourceServerConfigurerAdapter {

    @Autowired
    private TokenStore tokenStore;

    @Override
    public void configure(ResourceServerSecurityConfigurer resources) throws Exception {
        resources.tokenStore(tokenStore).stateless(true);
    }

    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.csrf().disable().exceptionHandling()
                .authenticationEntryPoint((request, response, authException) -> response.sendError(HttpServletResponse.SC_UNAUTHORIZED))
                .and()
                .authorizeRequests()
                .antMatchers("/actuator/**").permitAll()  //匿名访问
                .anyRequest().authenticated()
                .and()
                .httpBasic();
    }
}
